OBD Guide

P1424

Mass Or Volume Air Flow Too High

P1424 is an OBD-II diagnostic trouble code meaning: Mass Or Volume Air Flow Too High. Common causes: maf sensor malfunction, dmrv sensor contamination. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine idling
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • MAF sensor malfunction
  • DMRV sensor contamination
  • Damage to the wiring to the sensor
  • Air leak in the intake tract after the sensor
  • Problems with the engine ECU

How to Fix

  1. Check the integrity of the wiring to the mass air flow sensor
  2. Clean the MAF sensor with a special cleaner
  3. Check the tightness of the intake tract
  4. Replace the MAF sensor if necessary
  5. Check and, if necessary, reflash the ECU

Related codes

Error P1424 by Vehicle Brand

FAQ

What does the P1424 code mean?

P1424 is an OBD-II diagnostic trouble code that indicates: Mass Or Volume Air Flow Too High

What causes a P1424 error code?

The most common causes of P1424 include: MAF sensor malfunction; DMRV sensor contamination; Damage to the wiring to the sensor; Air leak in the intake tract after the sensor.

How do I fix a P1424 diagnostic trouble code?

To fix P1424: Check the integrity of the wiring to the mass air flow sensor. Clean the MAF sensor with a special cleaner. Check the tightness of the intake tract. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1424?

Yes, but get it checked soon

How much does it cost to fix P1424?

The estimated repair cost for P1424 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat